walletdb: moveonly: Move BerkeleyBatch Cursor and Txn funcs to cpp

Put the implementation in the cpp, not the h file.

Author: achow101

src/wallet/db.cpp

@@ -761,6 +761,67 @@ void BerkeleyDatabase::ReloadDbEnv()
     }
 }
 
+Dbc* BerkeleyBatch::GetCursor()
+{
+    if (!pdb)
+        return nullptr;
+    Dbc* pcursor = nullptr;
+    int ret = pdb->cursor(nullptr, &pcursor, 0);
+    if (ret != 0)
+        return nullptr;
+    return pcursor;
+}
+
+int BerkeleyBatch::ReadAtCursor(Dbc* pcursor, CDataStream& ssKey, CDataStream& ssValue)
+{
+    // Read at cursor
+    SafeDbt datKey;
+    SafeDbt datValue;
+    int ret = pcursor->get(datKey, datValue, DB_NEXT);
+    if (ret != 0)
+        return ret;
+    else if (datKey.get_data() == nullptr || datValue.get_data() == nullptr)
+        return 99999;
+
+    // Convert to streams
+    ssKey.SetType(SER_DISK);
+    ssKey.clear();
+    ssKey.write((char*)datKey.get_data(), datKey.get_size());
+    ssValue.SetType(SER_DISK);
+    ssValue.clear();
+    ssValue.write((char*)datValue.get_data(), datValue.get_size());
+    return 0;
+}
+
+bool BerkeleyBatch::TxnBegin()
+{
+    if (!pdb || activeTxn)
+        return false;
+    DbTxn* ptxn = env->TxnBegin();
+    if (!ptxn)
+        return false;
+    activeTxn = ptxn;
+    return true;
+}
+
+bool BerkeleyBatch::TxnCommit()
+{
+    if (!pdb || !activeTxn)
+        return false;
+    int ret = activeTxn->commit(0);
+    activeTxn = nullptr;
+    return (ret == 0);
+}
+
+bool BerkeleyBatch::TxnAbort()
+{
+    if (!pdb || !activeTxn)
+        return false;
+    int ret = activeTxn->abort();
+    activeTxn = nullptr;
+    return (ret == 0);
+}
+
 std::string BerkeleyDatabaseVersion()
 {
     return DbEnv::version(nullptr, nullptr, nullptr);

src/wallet/db.h

@@ -326,66 +326,11 @@ class BerkeleyBatch
         return (ret == 0);
     }
 
-    Dbc* GetCursor()
-    {
-        if (!pdb)
-            return nullptr;
-        Dbc* pcursor = nullptr;
-        int ret = pdb->cursor(nullptr, &pcursor, 0);
-        if (ret != 0)
-            return nullptr;
-        return pcursor;
-    }
-
-    int ReadAtCursor(Dbc* pcursor, CDataStream& ssKey, CDataStream& ssValue)
-    {
-        // Read at cursor
-        SafeDbt datKey;
-        SafeDbt datValue;
-        int ret = pcursor->get(datKey, datValue, DB_NEXT);
-        if (ret != 0)
-            return ret;
-        else if (datKey.get_data() == nullptr || datValue.get_data() == nullptr)
-            return 99999;
-
-        // Convert to streams
-        ssKey.SetType(SER_DISK);
-        ssKey.clear();
-        ssKey.write((char*)datKey.get_data(), datKey.get_size());
-        ssValue.SetType(SER_DISK);
-        ssValue.clear();
-        ssValue.write((char*)datValue.get_data(), datValue.get_size());
-        return 0;
-    }
-
-    bool TxnBegin()
-    {
-        if (!pdb || activeTxn)
-            return false;
-        DbTxn* ptxn = env->TxnBegin();
-        if (!ptxn)
-            return false;
-        activeTxn = ptxn;
-        return true;
-    }
-
-    bool TxnCommit()
-    {
-        if (!pdb || !activeTxn)
-            return false;
-        int ret = activeTxn->commit(0);
-        activeTxn = nullptr;
-        return (ret == 0);
-    }
-
-    bool TxnAbort()
-    {
-        if (!pdb || !activeTxn)
-            return false;
-        int ret = activeTxn->abort();
-        activeTxn = nullptr;
-        return (ret == 0);
-    }
+    Dbc* GetCursor();
+    int ReadAtCursor(Dbc* pcursor, CDataStream& ssKey, CDataStream& ssValue);
+    bool TxnBegin();
+    bool TxnCommit();
+    bool TxnAbort();
 
     bool static Rewrite(BerkeleyDatabase& database, const char* pszSkip = nullptr);
 };